Home / 603,110.40-905,011.20-229,401.60

Finding the Fourth Proportional to 603,110.40, 905,011.20 and 229,401.60

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Solution

The fourth proportional to 603,110.40, 905,011.20 and 229,401.60 is: 344,233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,110.40 : 905,011.20 = 229,401.60 : x
  2. Step 2: Convert to fraction form
    603,110.40/905,011.20 = 229,401.60/x
  3. Step 3: Cross multiply
    603,110.40x = 905,011.20 × 229,401.60
  4. Step 4: Simplify right side
    603,110.40x = 207,611,017,297.92
  5. Step 5: Solve for x
    x = 207,611,017,297.92/603,110.40
  6. Step 6: Final answer
    x = 344,233.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.